<?php

use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class AddForeignAllocations extends Migration
{
  /**
   * Run the migrations.
   */
  public function up(): void
  {
    Schema::table('allocations', function (Blueprint $table) {
      $table->integer('assigned_to', false, true)->nullable()->change();
      $table->integer('node', false, true)->nullable(false)->change();
      $table->foreign('assigned_to')->references('id')->on('servers');
      $table->foreign('node')->references('id')->on('nodes');
    });
  }

  /**
   * Reverse the migrations.
   */
  public function down(): void
  {
    Schema::table('allocations', function (Blueprint $table) {
      $table->dropForeign(['assigned_to']);
      $table->dropIndex(['assigned_to']);

      $table->dropForeign(['node']);
      $table->dropIndex(['node']);

      $table->mediumInteger('assigned_to', false, true)->nullable()->change();
      $table->mediumInteger('node', false, true)->nullable(false)->change();
    });

    DB::statement('ALTER TABLE allocations
             MODIFY COLUMN assigned_to MEDIUMINT(8) UNSIGNED NULL,
             MODIFY COLUMN node MEDIUMINT(8) UNSIGNED NOT NULL
         ');
  }
}
